Question

plz ans it fast
difference between viruses,viroids and lichens

Answer 1

 It is a nucleoprotein particle 

2. Nucleic acid can be DNA or RNA 

3. A protein covering or coat called capsid is present around the genetic material

4. Virus has a larger size. 

5. Virus infects all types of organisms

Viroid

1. It is an infectious RNA particle 

2. Viroid is formed of only RNA 

3. A protein coat is absent

4. Viroid has a smaller size

5. Viroid infects only plants

*Virusoids are viroids located inside protein coat of true virus. RNA is linear or circular and non infections 

Answer 2

viruses r the organisms that depend on the host for their survival as they r their main source of nutrition. they r inactive outside but become active once they enter living being. viroids r smaller than viruses. they r responsible for potato spindle disease in potatoes. lichens r formed due to the symbiotic relationship between fungi and algae.